//out: ../css/
.main {
    .banner {
        width: 100%;
        height: 600px;

        img {
            width: 100%;
            height: 600px;
        }
    }

    .class-list {
        display: flex;
        width: 1200px;
        height: 278px;
        border-bottom: 1px solid rgba(228, 231, 235, 1);

        .item-class {
            width: 300px;
            height: 278px;
            padding-top: 60px;
            text-align: center;

            img {
                width: 120px;
                height: 120px;
            }

            h3 {
                font-size: 24px;
                font-weight: 400;
                margin-top: 30px;
                letter-spacing: 0px;
                line-height: 28.13px;
                color: rgba(51, 51, 51, 1);
            }
        }
    }

    .teacher {
        width: 1200px;
        padding-bottom: 150px;

        .teacher-list {
            display: flex;
            margin-top: 20px;
            width: 100%;
            height: 244px;
            padding: 50px 40px;
            opacity: 1;
            border-radius: 20px;

            img {
                width: 164px;
                height: 164px;
                border-radius: 50%;
            }

            .introduction {
                margin-left: 50px;

                h4 {
                    font-size: 22px;
                    font-weight: 400;
                    letter-spacing: 0px;
                    line-height: 25.78px;
                    color: rgba(51, 51, 51, 1);

                    span {
                        font-size: 16px;
                        font-weight: 400;
                        letter-spacing: 0px;
                        line-height: 18.75px;
                        color: rgba(102, 102, 102, 1);


                    }
                }

                .detail {
                    font-size: 16px;
                    font-weight: 400;
                    margin-top: 20px;
                    letter-spacing: 2px;
                    line-height: 24px;
                    color: rgba(51, 51, 51, 1);


                }
            }

            &:hover {
                background-color: #1842b6;
            }


            &:hover h4,
            &:hover .detail {
                color: #fff;

                span {
                    color: #fff;
                }
            }


        }
    }
}